1. How many ways can 4 people sit in a row of 4 chairs?


  2. How many ways can the letters in the word MATH be arranged?


  3. How many ways can the letters in the word CONTEST be arranged?


  4. How many different passwords can be made using the digits 1 through 5 with no repetitions?

  5. How many different passwords can be made using the digits 1 through 5 with repetitions?


  6. The word BALLOON has repeated letters. How many distinct arrangements are possible?


  7. A string of lights has 4 red bulbs and 2 blue bulbs. How many ways can they be arranged?

  8. You have 3 A’s, 2 B’s, and 1 C. How many ways can you arrange these letters?


  9. A combination lock uses the letters in LOCK. How many 4-letter codes can be made (Replacement allowed)?


  10. The word STATISTICS has repeated letters. How many distinct arrangements are possible?